253388 has 6 divisors (see below), whose sum is σ = 443436. Its totient is φ = 126692.

The previous prime is 253387. The next prime is 253417. The reversal of 253388 is 883352.

It is a self number, because there is not a number n which added to its sum of digits gives 253388.

It is not an unprimeable number, because it can be changed into a prime (253381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31670 + ... + 31677.

It is an arithmetic number, because the mean of its divisors is an integer number (73906).

2²⁵³³⁸⁸ is an apocalyptic number.

It is an amenable number.

253388 is a deficient number, since it is larger than the sum of its proper divisors (190048).

253388 is a wasteful number, since it uses less digits than its factorization.

253388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63351 (or 63349 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 253388 is about 503.3765985820. The cubic root of 253388 is about 63.2793507381.

The spelling of 253388 in words is "two hundred fifty-three thousand, three hundred eighty-eight".